US Bridges

Rt D E over West Muddy CR

PoorPosted for load

Mercer County, Missouri · S 36 T 64 N R 25 W · Structure no. 9540

Built
1935
90 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
92 ft
3 main spans
Daily traffic
121
2024 count
Owner
State
State Highway Agency

About this bridge

Rt D E over West Muddy CR is a steel stringer/multi-beam or girder carrying Rt D E over West Muddy CR in Mercer County, Missouri. It was built in 1935, so it is 90 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 121 vehicles a day, roughly 14% of them trucks, projected to reach 151 by 2044. The structure is 92 ft (28 m) long and 21 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesRt D E
CrossesWest Muddy CR
LocationS 36 T 64 N R 25 W
RouteState Highway 0D
Coordinates40.30204, -93.66045
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19.8 US tons
Inventory rating9.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length92 ft (28 m)
Longest span38 ft (11.6 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121 (2024)
Projected traffic151 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$944,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt D E over West Muddy CR built?

It was built in 1935, making it 90 years old in 2025.

What condition is Rt D E over West Muddy CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Rt D E over West Muddy CR carry?

About 121 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Rt D E over West Muddy CR?

The structure is 92 ft (28 m) long with a longest span of 38 ft (11.6 m) and a deck 21 ft wide.

Who owns Rt D E over West Muddy CR?

It is owned by the State Highway Agency.